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Tax and Transfer Progressivity in New Zealand: Part 1 Methodology

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Abstract

This note is the first in a two-part series that seeks to improve our understanding of effective average tax rates (EATRs) in New Zealand. EATRs measure the net effect of taxes and transfers as a proportion of a taxpayer’s income. Measuring EATRs can provide insight into some important questions with implications for the fairness and efficiency of the tax and transfer system: Who pays tax and who receives transfer payments? How much do they pay or receive? Where might taxes and transfers distort decisions to save and invest? This series focusses on the first two questions and what EATRs can tell us about progressivity (defined as having higher tax rates and lower transfer rates for higher levels of income or wealth). Measuring EATRs can also help us to identify tax distortions caused by the inconsistent tax treatment of different types of income. Such distortions can create allocative inefficiencies and reduce productivity.

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  • Benjamin Ching, 2023. "Tax and Transfer Progressivity in New Zealand: Part 1 Methodology," Treasury Analytical Notes Series an23/02, New Zealand Treasury.
  • Handle: RePEc:nzt:nztans:an23/02
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    File URL: https://www.treasury.govt.nz/sites/default/files/2023-04/an23-02.pdf
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    More about this item

    JEL classification:

    • C81 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Methodology for Collecting, Estimating, and Organizing Microeconomic Data; Data Access
    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • H24 - Public Economics - - Taxation, Subsidies, and Revenue - - - Personal Income and Other Nonbusiness Taxes and Subsidies
    • H71 - Public Economics - - State and Local Government; Intergovernmental Relations - - - State and Local Taxation, Subsidies, and Revenue
    • I38 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty - - - Government Programs; Provision and Effects of Welfare Programs

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